Question about Ford Focus

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Need to know what po303 code is and how to fix it?

It is a 2000 Ford Focus SE. How would I fix this problem?

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  • cbecker2006 Dec 20, 2008

    It is running real rough but thanks. I got it fixed now or at least I hope. It is getting fixed.

  • cbecker2006 Dec 20, 2008

    it was a bad plug. We replaced all the plugs so lets hope that will fix the problem

  • cbecker2006 Dec 20, 2008

    anytime all and thanks for all your help

  • Mike Butler
    Mike Butler May 11, 2010

    Thanks for letting us know for sure.

  • Mike Butler
    Mike Butler May 11, 2010

    What did you find , bad wire , bad plug , or maybe both?

  • Mike Butler
    Mike Butler May 11, 2010

    How is the car running currently?

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  • 11 Answers

Cyl. 3 missfire. check your plugs or the coil and boot.

Posted on Jan 04, 2009

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